-# sockpfaf.m4 serial 2
-dnl Copyright (C) 2004 Free Software Foundation, Inc.
+# sockpfaf.m4 serial 5
+dnl Copyright (C) 2004, 2006 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_SOCKET_FAMILIES],
[
+ AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+ AC_CHECK_HEADERS_ONCE([netinet/in.h])
+
AC_MSG_CHECKING(for IPv4 sockets)
AC_CACHE_VAL(gl_cv_socket_ipv4,
[AC_TRY_COMPILE([#include <sys/types.h>
+#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
-#include <netinet/in.h>],
-[int x = AF_INET; struct in_addr y; struct sockaddr_in z;],
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#endif],
+[int x = AF_INET; struct in_addr y; struct sockaddr_in z;
+ if (&x && &y && &z) return 0;],
gl_cv_socket_ipv4=yes, gl_cv_socket_ipv4=no)])
AC_MSG_RESULT($gl_cv_socket_ipv4)
if test $gl_cv_socket_ipv4 = yes; then
AC_MSG_CHECKING(for IPv6 sockets)
AC_CACHE_VAL(gl_cv_socket_ipv6,
[AC_TRY_COMPILE([#include <sys/types.h>
+#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
-#include <netinet/in.h>],
-[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;],
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#endif],
+[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;
+ if (&x && &y && &z) return 0;],
gl_cv_socket_ipv6=yes, gl_cv_socket_ipv6=no)])
AC_MSG_RESULT($gl_cv_socket_ipv6)
if test $gl_cv_socket_ipv6 = yes; then